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Brass Diaphragm Pilot Operated Pressure Reducing Valves
Brass Diaphragm Pilot Operated Pressure Reducing Valves

1.Steam pressure reducing valve 2.Outlet pressure 0.02 MPa to 1.2 Mpa 3.Size:15-200mm 4.Max. Temp. 285 C 5.ANSI DIN standard

1) It is a kind of pilot operated pressure reducing valve;

2) Main technical specifications:                                                                                                                    Materials of main parts

Item

15

20

25

32

40

50

65

80

100

125

150

 

Parts

Material

Resistance pressure     (MPa)

2.5

Shell test pressure (MPa)

3.75

Body

WCB

Seal test pressure (MPa)

2.5

Cover

WCB

Max. inlet pressrure (MPa)

1.6    2.5  4.0  6.4

Seat

2Cr13

Outlet pressure range (MPa)

0.02~0.3      0.25~0.7    0.6~1.7

Valve clack

2Cr13

Pressure characteristics derivation (MPa)

GB 12244

Pole

2Cr13

Flow characteristics derivation (MPa)

GB 12244

Diaphragm

1Cr18Ni9Ti

Leakage (ml/min)      

GB 12245

Adjusting spring

60Si2Mn

Medium temp. (°C)

-10~285

Kv.

2.8

5.5

8.1

12

17

28

45.5

60.1

93.3

146

180

3) As per Germany (DIN) , ANSI, GB standards manufactured;

Flanged hole as per PN-25.

Brass Diaphragm Pilot Operated Pressure Reducing Valves

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